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2CDS273065R0635 ABB S203MT-B63UC MCB 10kA 3P Type B 63A
ABB S203MT-B63UC is a 63 A three-pole Type B universal-current miniature circuit breaker with 10 kA short-circuit breaking capacity for AC, DC and traction circuit protection.
£505.38
Why Choose the ABB S203MT-B63UC Miniature Circuit Breaker?
The ABB S203MT-B63UC is a high-performance three-pole miniature circuit breaker (MCB) designed to provide reliable overload and short-circuit protection in AC and DC electrical systems. As part of the ABB S200 MT UC universal-current series, it is particularly suited to industrial, DC and traction applications requiring dependable circuit protection.
The S203MT-B63UC combines thermal-magnetic protection with a Type B tripping characteristic. Type B protection is suited to circuits with relatively low inrush currents, providing sensitive magnetic operation for suitable resistive and general-purpose electrical loads while maintaining reliable overload and short-circuit protection.
With a rated current of 63 A, three protected poles and a rated short-circuit breaking capacity of 10 kA, the S203MT-B63UC provides robust protection for demanding electrical circuits. Its modular DIN rail format supports integration into industrial control panels, DC distribution systems and railway or traction equipment.
Key Advantages
- Universal-current MCB designed for AC and DC applications.
- 63 A rated current for dependable circuit protection.
- Three-pole configuration provides protection across three conductors.
- Type B tripping characteristic suited to circuits with relatively low inrush currents.
- 10 kA short-circuit breaking capacity for demanding electrical installations.
- Designed for industrial, DC and traction applications.
Key Features
- ABB S200 MT UC universal-current series.
- 63 A rated current.
- Three-pole miniature circuit breaker.
- Type B thermal-magnetic tripping characteristic.
- Suitable for AC and DC circuit protection.
- 10 kA short-circuit breaking capacity.
- Suitable for appropriate general-purpose circuits with low starting or inrush currents.
- Compact modular construction for DIN rail mounting.
Reliable AC and DC Circuit Protection
Miniature circuit breakers such as the ABB S203MT-B63UC protect electrical circuits, conductors and connected equipment against overload and short-circuit conditions. The thermal-magnetic operating mechanism disconnects the protected circuit when defined overcurrent conditions occur, helping protect electrical equipment and wiring from damage.
The S200 MT UC series is designed for universal-current applications, providing flexible protection for both AC and DC systems. The Type B characteristic makes the S203MT-B63UC suitable for appropriate circuits with comparatively low inrush currents, while its 63 A rating and 10 kA breaking capacity support demanding industrial, railway and traction installations.
Typical Applications
- Railway and rolling-stock electrical systems.
- Traction and transportation equipment.
- DC electrical distribution circuits.
- Industrial AC and DC control panels.
- General-purpose circuits with relatively low inrush currents.
- Electrical cabinets and modular DIN rail assemblies.
Technical Specifications
| Series | S200 MT UC |
|---|---|
| ABB order code | 2CDS273065R0635 |
| Product type | Miniature circuit breaker (MCB) |
| Product group | DC / Traction MCB |
| Rated current | 63 A |
| Number of poles | 3 |
| Protected poles | 3 |
| Tripping characteristic | Type B |
| Voltage type | AC / DC |
| Rated short-circuit breaking capacity | 10 kA |
| Mounting type | DIN rail mounting |
Frequently Asked Questions
What is the ABB S203MT-B63UC used for?
The S203MT-B63UC is a three-pole miniature circuit breaker designed to protect AC and DC electrical circuits against overload and short-circuit conditions, including industrial, railway and traction applications.
What is the rated current of the S203MT-B63UC?
The circuit breaker has a rated current of 63 A.
What is the breaking capacity of the S203MT-B63UC?
The ABB S203MT-B63UC has a rated short-circuit breaking capacity of 10 kA.
What does the Type B characteristic mean?
The Type B tripping characteristic is suited to circuits with relatively low inrush currents and provides sensitive magnetic operation for appropriate resistive and general-purpose loads.
Can the ABB S203MT-B63UC be used on DC circuits?
Yes. The S203MT-B63UC belongs to ABB's S200 MT UC universal-current series and is designed for AC and DC circuit protection, including DC and traction applications.
Trusted Circuit Protection from ABB
ABB S200 MT UC miniature circuit breakers provide flexible AC and DC circuit protection for industrial, railway and traction-related electrical installations, combining robust short-circuit protection with a compact modular design.
